<?php

abstract class YouNet_Controller_Error extends Zend_Controller_Action
{

    public function errorAction()
    {
        $errors = $this->_getParam('error_handler');
        
        if (!$errors) {
            $this->view->message = 'You have reached the error page';
            return;
        }
        
        switch ($errors->type) {
            case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_ROUTE:
            case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_CONTROLLER:
            case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_ACTION:
                // 404 error -- controller or action not found
                $this->getResponse()->setHttpResponseCode(404);
                $priority = Zend_Log::NOTICE;
                $this->view->message = 'Page not found';
                break;            
            default:
                if( $errors['exception'] instanceof  YouNet_Facebook_Exception)
                {
                    $ex = $errors['exception'];
                    /* @var $ex YouNet_Facebook_Exception */
                    if( $ex->getType() == 'OAuthException' || $ex->getType() == 'invalid_token')
                    {
                        $message = $ex->getMessage();
                        if ((strpos($message, 'Error validating access token') !== false)) {
                            YouNet_Util::parentRedirect($this->view->socialUrl(array()));
                        }
                    }
                }
                else
                {
                    // application error
                    $this->getResponse()->setHttpResponseCode(500);
                    $priority = Zend_Log::CRIT;                    
                    $this->view->message = 'Application error';
                }
                break;
        }
        
        // Log exception, if logger available
        if ($log = $this->getLog()) {
            $log->log($this->view->message, $priority, $errors->exception);
            $log->log('Request Parameters', $priority, $request->getParams());
        }
        
        // conditionally display exceptions
        if ($this->getInvokeArg('displayExceptions') == true) {
            $this->view->exception = $errors->exception;
        }
        
        $this->view->request   = $errors->request;
    }

    public function getLog()
    {
        $bootstrap = $this->getInvokeArg('bootstrap');
        if (!$bootstrap->hasResource('Log')) {
            return false;
        }
        $log = $bootstrap->getResource('Log');
        return $log;
    }


}

